JVC KD-S283 Скачать руководство пользователя | Manualshive

Страница: 26 / 49

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1-26 (No.49871)

5.5

Signal processing section

No sound from either

channel.

Compare the L-ch and R-ch

to locate the defective point.

Check the vicinity of the

IC321 audio power supply.

Check IC801 and its

peripheral circuits.

Check IC301 and its

peripheral circuits.

Is 9V present at IC901 pin

"10"?

Is the sound output from

both channels (L, R)?

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

Is the audio signal

(including sampling output

components) output to

IC801 pins "39" and "40"

during playback.

Is the audio signal output

at IC301 pins "1"

and "32" during playback?

Normal

Check the muting circuit.

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Содержание KD-S283

Страница 1: ...ANY OF JAPAN LIMITED No 49871 2003 10 CD RECEIVER 49871 2003 9 KD S283 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 24 5 TROUBLESHOOTING 1 25 Area suffix UF China COMPACT DIGITAL AUDIO ...

Страница 2: ...e FM 87 5 MHz to 108 0 MHz AM 531 kHz to 1602 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 uV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 uV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 uV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact opt...

Страница 3: ... formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Страница 4: ...in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in ...

Страница 5: ... No 49871 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 6: ...n releasing the joints using a screwdriver Fig 2 3 1 3 Removing the front chassis assembly See Figs 3 Prior to performing the following procedure remove the front panel assembly and bottom cover 1 Remove the screws A on the left side of the main body 2 Release the two joints d and joints e on the both sides of the main body then remove the front chassis assembly to ward the front Fig 3 Front panel...

Страница 7: ... remove the bot tom cover 1 Remove the three screws D three screws E and two screws F on the back side of the main body 2 Remove the rear bracket Fig 5 3 1 6 Removing the main board See Fig 6 Prior to performing the following procedures remove the front panel assembly bottom cover front chassis assembly heat sink and rear bracket 1 Remove the two screws G attaching the main board 2 Disconnect the ...

Страница 8: ... board See Figs 8 to 10 Prior to performing the following procedures remove the front panel assembly 1 Remove the four screws J on the back side of the front pan el assembly See Fig 8 2 Release the eleven joints f attaching the rear cover to the front panel assembly See Fig 9 3 Take out the front board from the front panel assembly See Fig 10 Fig 8 Fig 9 Fig 10 H CD mechanism assembly Top chassis ...

Страница 9: ...emoving the top cover See Figs 1 and 2 1 Remove the two screws A on the both side of the body 2 Lift the front side of the top cover and move the top cover backward to release the two joints a Fig 1 Fig 2 A A A Joints a Top cover Joints a Top cover ...

Страница 10: ...or board 2 Solder the short circuit point on the connector board 3 Disconnect the flexible wire from the pickup 4 Move the connector board in the direction of the arrow to release the two joints b 5 Unsolder the wire on the connector board if necessary CAUTION Unsolder the short circuit point after reassembling Fig 3 Fig 4 Fig 5 B Connector board Pickup Short circuit point Joints b Wires Pickup Sh...

Страница 11: ... switch See Figs 6 and 7 1 Extend the two tabs c of the feed sw holder and pull out the switch 2 Unsolder the DET switch wire if necessary Fig 6 Fig 7 Connector board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw holder ...

Страница 12: ...he chassis unit to the frame CAUTION The shape of the suspension spring L and R are dif ferent Handle them with care When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly Fig 8 Fig 9 Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper D...

Страница 13: ...cedure remove the top cover 1 Remove the clamper arm spring 2 Move the clamper assembly in the direction of the arrow to release the two joints d Fig 10 Fig 11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly ...

Страница 14: ...ve the screw C and move the loading feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly 2 Disconnect the wire from the loading feed motor assembly if necessary CAUTION When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 12 Fig 12 Fig 13 Loading feed motor assembly Loading feed motor assembly C ...

Страница 15: ...w F 2 Reattach the feed sw holder to the feed rack while setting the joint g to the slot of the feed rack and setting the part f of the feed rack to the switch of the feed sw holder correct ly 3 As the feed sw holder is temporarily attached to the pickup unit set to the gear of the joint g and to the bending part of the chassis joint h at a time CAUTION Make sure that the part i on the underside o...

Страница 16: ...e slot of the chassis rivet assembly respectively and join the joint k at a time Fig 19 Fig 20 3 2 10 Removing the top plate assembly See Fig 21 Prior to performing the following procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the screw H 2 Move the top plate assembly in the direction of the arrow to release the two joints r 3 Unsolder the wire marked s if...

Страница 17: ...irection of the arrow to release the joint u 2 Unsolder the wire of the mode sw marked s if necessary 3 Turn the select lock arm in the direction of the arrow to re lease the two joints v 4 The select lock arm spring comes off the select lock arm at the same time Fig 22 Fig 23 Mode sw Select lock arm Joint t Link plate Joint u s Top plate Top plate Select lock arm Select lock arm spring Select loc...

Страница 18: ... the underside of the select lock arm and join the select lock arm to the slots joint v Turn the select lock arm as shown in the figure 3 Reattach the mode sw while setting the part t to the first peak of the link plate gear and join the joint u CAUTION When reattaching the mode sw check if the points y and z are correctly fitted and if each part operates properly Fig 24 Fig 25 Fig 26 Select lock ...

Страница 19: ... 29 and 30 REFERENCE Reverse the above removing procedure 1 Reattach the link plate spring 2 Reattach the link plate to the link plate spring while joining them at joint d 3 Reattach the joint a of the select arm R to the first peak of the link plate while joining the two joints b with the slots Then turn the select arm R as shown in the figure The top plate is joined to the joint c CAUTION When r...

Страница 20: ... 5 Extend the lock arm rivet assembly outward and release the joint j from the boss of the chassis rivet assembly The roller guide springs on both sides come off at the same time CAUTION When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reat taching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part k of the ro...

Страница 21: ...chassis unit pickup unit and top plate assembly 1 Remove the screw K attaching the loading gear bracket The loading gear 6 and 7 come off the loading gear brack et 2 Pull out the loading gear 5 Fig 35 Fig 36 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 3 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 7 ...

Страница 22: ... Remove the loading gear 1 8 Move the change plate rivet assembly in the direction of the arrow to release from the three shafts of the chassis rivet assembly upward See Fig 38 9 Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint p See Figs 38 and 40 10 Pull out the loading gear 4 Fig 37 Fig 38 Fig 39 Fig 40 Slot m Slot m Join...

Страница 23: ...ng procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the two screws L attaching the spindle motor as sembly through the slot of the turn table on top of the body 2 Unsolder the wire on the connector board if necessary Fig 41 Fig 42 L Turn table L Turn table Spindle motor ...

Страница 24: ...y load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively before supply the power If voltage is applied without attachi...

Страница 25: ...eck the pickup and its connections NO YES YES Does the S search waveform appear at IC561 pins 32 4V Is the disk rotated Does the RF signal appear at RF TP Is 4V present between IC541 pins 6 and 7 Check the spindle motor and its wiring Is 4V present at IC561 pin 29 Check the vicinity of IC541 Check IC561 and IC801 YES NO NO NO NO NO YES YES YES Check the circuits in the vicinity of IC561 21 to 40 o...

Страница 26: ...IC801 and its peripheral circuits Check IC301 and its peripheral circuits Is 9V present at IC901 pin 10 Is the sound output from both channels L R NO NO NO NO NO YES YES YES YES YES YES Is the audio signal including sampling output components output to IC801 pins 39 and 40 during playback Is the audio signal output at IC301 pins 1 and 32 during playback Normal Check the muting circuit ...

Страница 27: ...e optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 7 Replacement of laser pickup Is RF output 1 0 0 35Vp p Replace it NO YES O K T...

Страница 28: ... No 49871 AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Страница 29: ...VER No 49871SCH 2003 10 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD KD S283 Area suffix UF China Contents Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 5 to 6 CD ROM No SML200310 COMPACT DIGITAL AUDIO ...

Страница 30: ...r on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Страница 31: ...o S620 KEY MATRIX KEY0 KEY1 KEY2 REMOCON IC601 LCD DRIVER LCD1 CN801 TU701 FM AM TUNER IC801 MICOM IC301 E VOL FM AM FM OSC IFC AGC S METER SD ST MONO EQ IC321 POWER AMP IC901 REGULATOR SPK BATTERY EACH BLOCK TU LCH TU RCH OUT LF OUT RF OUT LR OUT RR LRO RRO CD LCH CD RCH CJ321 LINE OUT LF LF RF RF LR LR RR RR COM1 COM2 COM3 S1 to S48 LCD CLK LCD SO LCD CE SDA SCL CJ701 ANT SW1 SW2 PSW LM MSW FEED...

Страница 32: ...7k 27k UN2211 X 22 16 2SD1781K QR X 1k JES01 9B42 3 3k 47k 47k 1 50 2SB709A QR X 47k QAM0013 006 220 6 3 2SD1781K QR X 47k MA111 X 470 1SS133 T2 0 01 DTC144EKA X 0 2 2k 1k 4 7u 2 2 50 VMC0334 001 UN2111 X 2SC1623 5 6 X 2SB709 QR X 1SS133 T2 470 470 QAU0281 001 2 2k 100 LA4743K 1SS133 T2 1SS133 T2 1SS133 T2 1SS133 T2 0 1 QMFZ047 150 T 0 1 0 1 0 1 1k 1k 2SB1197K QR X 1k 4 7 25 UN2211 X TEA6320T X 10...

Страница 33: ... 1 5k 47 6 3 0 01 27k 12k 22k 22k 22k 22k 150p BT BT TP TP GND GND GND QGB2027M4 22S 4 7 25 15k 0 033 0 001 0 001 1k 220k 0 1k 68p 1M 100k 18k 4 7U 0 1k 51k 2k 100 10 0 001 8 2k 0 2k 0 001 0 001 0 0015 0 047 22 1 50 22 100 10 0 01 0 1 100p 0 027 0 0047 0 01 0 1 0 22 270k 150k 220k 0 27 0 1 0 01 0 47 1k 0 047 0 01 0 047 220 0 047 33k 220 100 10 100 10 100 10 0 1 0 01 0 0018 0 0012 BT BT GND GND IC2...

Страница 34: ...355 001 MA111 X 2 2k 51k 0 022 680P 10k 10k 10k 1 5k 680 560 910 1 2k 680 560 1 5k 1 2k 910 680 680 560 680 910 1 2k 2 2k 680 UDZS5 1B X QLD0255 001 MA8062 M X 3 LOUD SEL DISP AM 680 680 CD POWER 2 2k 1k FM VOL EJECT SCM MODE VOL 6 5 4 680 680 2 DOWN UP 390 1k 2 2k 1 2k 390 390 1 2k 390 1 1k 1k 820 MA8062 M X R5V S32 COM3 S17 S31 REMOCON S30 S29 S28 ILL 10V GND S27 S26 S25 S24 S23 S22 S21 S20 S19 ...

Страница 35: ...52 R253 R254 R255 R256 R301 R302 R303 R304 R307 R308 R321 R322 R323 R333 R334 R336 R401 R402 R403 R404 R407 R408 R433 R434 R436 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R516 R517 R518 R541 R542 R543 R544 R545 R546 R547 R548 R550 R596 R560 R561 R562 R563 R567 R568 R569 R570 R571 R572 R573 R574 R575 R576 R577 R578 R579 R805 R701 R702 R703 R704 R705 R708 R725 R735 R736 R733 R7...

Страница 36: ...607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R636 R637 R638 R639 S601 S606 S608 S609 S610 S611 S602 S603 S604 S607 S605 S612 S613 S614 S615 S616 S617 S618 S619 S620 LCD1 D731 D732 C601 C602 C603 C611 CJ601 D641 D642 D643 D644 IC601 IC602 R631 R632 R633 R634 R635 R640 R641 R642 R643 R644 R645 R651 R652 R653 R654 R655 R656 R657 R658 R661 R662 D731 D732 R731 R732 C612 D645 ...

Страница 37: ... M E M O ...

Страница 38: ... No 49871SCH VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Printed in Japan WPC ...

Страница 39: ...as service parts Contents Exploded view of general assembly and parts list Block No M1 CD mechanism assembly and parts list Block No MB Electrical parts list Block No 01 02 Packing materials and accessories parts list Block No M3 KD S283 3 2 3 4 3 6 3 10 Area suffix UF China 49871 ...

Страница 40: ...bly and parts list Block No M M M 1 C A 5 A C B Front board 4 40 39 LCD1 Main board B 11 15 14 16 12 13 30 24 20 29 28 32 32 31 23 27 22 21 18 26 25 19 45 33 36 34 37 38 43 35 42 9 9 3 10 7 7 17 44 47 46 6 6 6 1 8 8 8 50 51 2 49 48 52 ...

Страница 41: ...A POWER BUTTON 22 GE30305 001A EJECT BUTTON 23 GE20131 301A D FUNC BUTTON 24 GE30307 001A SND FUNC BUTTON 25 GE20130 301A PUSH BUTTON 26 GE20118 002A BUTTON 27 GE20120 001A UP DOWN BUTTON 28 GE30306 001A DETACH BUTTON 29 FSKW3002 012 COMP SPRING 30 GE30117 001A LIGHT LENS 31 GE10055 003A REAR COVER 32 VKZ4777 001 MINI SCREW x4 33 GE30302 003A LCD CASE 34 FSJK3025 001 LCD LENS 35 GE30301 001A LENS ...

Страница 42: ... D D B a a B TN 2001 1011 111 2 111 37 27 32 23 13 15 99 28 98 83 12 86 121 16 17 124 4 125 1 111 3 3 71 111 93 111 91 92 113 88 89 82 87 20 18 115 90 32 30 38 114 11 85 25 73 111 33 34 74 72 35 26 31 22 36 116 29 112 19 61 24 112 62 21 38 76 95 96 14 97 100 123 81 94 77 75 74 73 84 94 101 100 122 93 75 83 ...

Страница 43: ...SPENSION SP L 61 69011614T PICKUP OPT 725 62 64180406T DET SW ESE22 71 303210301T CONN PWB ASS Y 72 30321002T MODE SW 73 30321003T LOAD MOTOR WIRE 74 30321005T MODE SW WIRE 75 30321009T SL WIRE 76 30321011T WIRE HOLDER 77 19501403T WIRE CLUMPER 81 303211301T ROLLER SHAFT AS 82 303211501T L GEAR PLATE RV 83 303211302T LOADING PLATE A 84 303211502T LOCK ARM RV ASS 85 303211303T L F MOTOR ASS Y 86 30...

Страница 44: ...C CAPACITOR 0 022uF 50V K C332 NCB31EK 104X C CAPACITOR 0 1uF 25V K C333 NCB31EK 104X C CAPACITOR 0 1uF 25V K C334 QERF1HM 105Z E CAPACITOR 1uF 50V M C335 QERF1HM 105Z E CAPACITOR 1uF 50V M C402 NCB31HK 822X C CAPACITOR 8200pF 50V K C403 NCB21CK 184X C CAPACITOR 0 18uF 16V K C404 NCB21CK 224X C CAPACITOR 0 22uF 16V K C405 NCB21HK 333X C CAPACITOR 0 033uF 50V K C406 NCB31HK 562X C CAPACITOR 5600pF ...

Страница 45: ...3J 473X MG RESISTOR 47kΩ 1 16W J Symbol No Part No Part Name Description Local R407 NRSA63J 273X MG RESISTOR 27kΩ 1 16W J R408 NRSA63J 273X MG RESISTOR 27kΩ 1 16W J R433 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R434 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R436 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R501 NRSA02J 220X MG RESISTOR 22Ω 1 10W J R502 NRSA02J 220X MG RESISTOR 22Ω 1 10W J R503 NRS181J 102X MG R...

Страница 46: ...Part Name Description Local D608 SML 310VT JK X LED D609 SML 310VT JK X LED D610 SML 310VT JK X LED D611 SML 310VT JK X LED D612 SML 310VT JK X LED D613 SML 310VT JK X LED D614 SML 310VT JK X LED D615 SML 310VT JK X LED D616 SML 310VT JK X LED D617 SML 310VT JK X LED D618 SML 310VT JK X LED D619 SML 310VT JK X LED D620 SML 310LT MN X LED D641 UDZS5 6B X Z DIODE 1 5kΩ 1 10W J D643 MA111 X SI DIODE ...

Страница 47: ...6 001X TACT SW S614 NSW0066 001X TACT SW S615 NSW0066 001X TACT SW S616 NSW0066 001X TACT SW S617 NSW0066 001X TACT SW S618 NSW0066 001X TACT SW S619 NSW0066 001X TACT SW S620 NSW0066 001X TACT SW Symbol No Part No Part Name Description Local ...

Страница 48: ...3 10 Packing materials and accessories parts list Block No M M M 3 P1 A1 A2 A3 A4 P7 P6 P5 P7 A11 A12 A13 KIT A5 A6 A7 A8 A9 P2 P3 P4 A10 ...

Страница 49: ...01SS MOUNT BOLT A 7 VKZ4328 001 LOCK NUT A 8 WNS5000Z WASHER A 9 GE40130 202A HOOK x2 A 10 FSJB3001 30C HARD CASE A 11 GE20137 203A MOUNTING SLEEVE A 12 GE20135 301A TRIM PLATE A 13 QAM0013 006 16P CORD ASSY KIT SRW 283UF SCREWPARTKIT A5 to A9 P 1 FSPG4002 001 POLY BAG P 2 QPA00801205 POLY BAG 8cm x 12cm P 3 QPA01003003 POLY BAG 10cm x 30cm P 4 FSYH4036 068 SHEET P 5 QPC03004315P POLY BAG 30cm x 4...

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